+++ /dev/null
-package org.apache.lucene.search;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.io.IOException;
-import java.io.Serializable;
-
-/**
- * Provides a {@link FieldComparator} for custom field sorting.
- *
- * @lucene.experimental
- *
- */
-public abstract class FieldComparatorSource implements Serializable {
-
- /**
- * Creates a comparator for the field in the given index.
- *
- * @param fieldname
- * Name of the field to create comparator for.
- * @return FieldComparator.
- * @throws IOException
- * If an error occurs reading the index.
- */
- public abstract FieldComparator newComparator(String fieldname, int numHits, int sortPos, boolean reversed)
- throws IOException;
-}